1. Ecology and the protohominids;Bartholomew;American Anthropologist,1953
2. Basic color terms: Their universality and evolution;Berlin,1969
3. Generalization of associative clustering tendencies in mentally retarded adolescents: Effects of novel stimuli;Bilsky;American Journal of Mental Deficiency,1972
4. Concept-usage performance: Abstraction ability, number of referents, and item familiarity;Blount;American Journal of Mental Deficiency,1971
5. Effects of temporal grouping and redundancy level on the paired-associate learning of retarded adolescents and non-retarded children;Borys;American Journal of Mental Deficiency,1974